| Ruc | Nombre o Razón Social | A partir del | Nro. Resolución |
| 20530085261 | OMNISAT CABLE TELEVISION S.R.L. | 01/02/2022 | 0830050012914 |
| 20602893279 | OMOIDE SOCIEDAD ANONIMA CERRADA | 01/12/2019 | 0230050294406 |
| 20555965223 | OMR ELECTRO INDUSTRIAS S.A.C. | 01/02/2022 | 0230050308076 |
| 20533174991 | OMYLAB EMPRESA INDIVIDUAL DE RESPONSABILIDAD LIMITADA - OMYLAB E.I.R.L. | 01/02/2022 | 1130050009893 |
| 20550143021 | OMZEN E.I.R.L | 01/05/2019 | 0230050263007 |
| 20603278713 | ON TOP S.A.C. | 01/02/2022 | 0230050315598 |
| 10102688894 | ONAGA OYAMA ERICK CHRISTIAN | 01/12/2019 | 0230050288311 |
| 10153877454 | ONAIRAM BARTOLO IVIS AQUILINO | 01/12/2019 | 0230050288402 |
| 20145549711 | ONASA S.R.LTDA. | 01/02/2022 | 0210050005603 |
| 20606238208 | ONBOARD ENTERTAINMENT S.A.C. | 01/02/2022 | 0230050317001 |
| 20547642512 | ONCO TEST S.A.C. | 01/02/2016 | 0230050145096 |
| 20507775889 | ONCOCARE S.A.C. | 01/04/2018 | 0210050004548 |
| 20568193394 | ONCOLAB E.I.R.L. | 01/03/2016 | 1330050008736 |
| 20603232390 | ONCOLOGIA CLINOR S.R.L. | 01/02/2022 | 1330050016317 |
| 20553425809 | ONCOLOGIKA E.I.R.L. | 01/02/2022 | 0230050312916 |
| 20549216758 | ONCOPONCE S.A.C. | 01/02/2022 | 0230050307963 |
| 20600120591 | ONCOSAVE PERU E.I.R.L. | 01/05/2019 | 0230050263910 |
| 20605622420 | ONCOSERVICE PERU E.I.R.L. | 01/02/2022 | 0230050317863 |
| 20536639668 | ONE PERU TRAVEL S.A.C. | 01/02/2022 | 0230050312189 |
| 20605537635 | ONE COMPUTER S.A.C. | 01/02/2022 | 0230050317784 |